The Conditions of in situ rock-burst were probed into from rocks, rock mass structure, in-situ stress, hydrological conditions, engineering design and construction factors.
从岩石、岩体构造、原岩应力、水文地质条件、工程设计和施工因素以及围岩应力等六个方面论述和探讨了现场岩爆发生的条件。
Bottom hole pressure and the models of considered 3d crack propagation model in situ rock mechanics parameters, have made the assessment of situ rock mechanics parameters more realistic.
井底压力与考虑三维裂缝扩展模型时的就地岩石力学参数模型的建立,使得就地岩石力学参数的评估结果更符合实际。
Thus, the stress value of in situ rock in any position given can be determined and the model of distribution regularity of in situ rock stress field of the mining area can be established...
由此训练网络便可确定出矿区内任一给定位置处的原岩应力值,从而可建立该矿区的原岩应力场分布规律模型。
The developing of dangerous rock is due to release of in-situ stress in rock, aeolation, water erosion and root flerry.
地应力卸荷、风化、流水侵蚀、植物根劈是危岩发育的主要原因。
Due to high in situ stress in the powerhouse area, important deformation of local surrounding rock, rock burst, shotcrete spalling occur during excavation.
由于场区地应力比较高,在开挖期间出现了局部围岩的大变形及岩爆、喷混凝土层剥落等不良现象。
Based on the in-situ testing of rock-socked pile embedded with test components, the characteristics of the point resistance and skin resistance are studied in this paper.
本文基于埋设有测试元件的嵌岩桩原位试验,分析了在桩顶荷载作用下,嵌岩桩的桩侧阻力、桩端阻力的特征。
The relationship between in situ stress and stability of dam foundation rock is less considered in dam construction.
地应力与坝基岩体稳定的关系是坝工建设中研究得较少的一个课题。
Using the testing technology of rock mass elastic wave, the methods of measuring rock mass wave velocities in situ inside the high slope of the TGP's permanent lock have been studied.
研究了用岩体弹性波测试手段进行现场测定三峡工程永久船闸陡高边坡岩体波速的方法及技术。
According to in-situ monitoring data, the displacement of rock slope varies with time, and the variation of air temperature is doubted to be one of the influencing factors.
现场监测发现,边坡位移随时间起伏变化,怀疑其影响因素之一可能是气温变化。
With the offset data obtained by in-situ construction method monitoring, the mechanical feature parameters of surrounding rock are obtained with optimal back-analysis method.
利用反演分析求得的围岩力学参数,应用有限元法对该工程的施工过程围岩稳定性进行了分析计算。
With the change of prediction type from harder rock to in-situ leachable sandstone-type uranium deposits, it is urgent to improve the data processing method and abnormal analysis method.
随着找矿方向和目标类型从硬岩转移到可地浸砂岩型铀矿,如何改进数据处理方法和异常分析方法就日益紧迫起来。
In the present paper, the influences of overburden and cavern sectional shape as well as in-situ stress condition on the characteristics of rock cavern under earthquake are analyzed by using FLAC 3 d.
本文利用FLAC3D软件,初步分析了地震荷载作用下埋深、洞室形状、地应力特征对地下岩体洞室响应特征的影响。
Also visible is the effect of the in situ stress condition on the rock load height (RLH).
也可见的影响是就地胁迫条件下在岩石上负荷高(RLH)。
In this paper, for the joint rock mass with medial size and in-group crack, parameter identification of its geometrical damage model is studied by back analysis of in-situ measured displacement.
对包含中等尺寸的成组分布裂隙的岩体,采用岩体几何损伤本构模型,用监测位移反馈分析法同时辨识岩体弹性模量、地应力及损伤参数。
In situ stress is one of the basic parameters for the stability of surrounding rock and the design of support structure.
初始地应力是地下工程围岩稳定与支护结构设计的一个基本参数。
In situ stress is one of the basic parameters for the stability of surrounding rock and design of support structures.
初始地应力是地下工程围岩稳定与支护结构设计的一个基本参数。
This paper introduces the in situ model test results on the technology for the TGPs soil rock cofferdam compacted by underwater blasting.
介绍了在三峡工程原位开展高土石围堰水下爆炸压实技术研究的模型试验情况。
Through analyzing rock failure due to rock burst in-situ, applying the rock burst strength theory and the stability theory, and using physical modelling experiment, the mathematical model is built.
数学模型是在实地分析岩爆破坏机制基础上,经过岩爆强度理论及稳定理论分析,并经过物理模型试验验证后建立的。
The time to produce damage deformation in surrounding rock and possible loosening area are obtained by analyzing in situ measurement of displacement in soft weak coal layer.
本文通过对软弱煤层巷道进行位移实测及数据分析,得到了西部某矿软弱煤层巷道围岩变形达破坏所需的时间和可能的变形松动区域。
On the basis of in situ investigation and internal and external literatures, the predication and control of rock burst are discussed.
作者在现场调研和查阅国内外文献资料基础上,对岩爆的预测预报及防治对策进行探讨。
The in-situ bearing pad test is an important method for measuring rock mass deformation property parameters with wide applications.
现场岩体承压垫板法试验是测量岩体变形特性参数应用最广泛的重要方法。
This paper proposes that Poisson's ratio of rock mass and in-situ stress are directly determined using optimization method according to measured strains obtained from bore hole stress relief process.
本文根据孔壁应力解除法获得的量测应变,提出了采用最优化方法直接确定岩体的泊松比和原始地应力。
Rock layers in situ have been folded in different ext...
原地岩层在推覆构造作用下发生不同程度的褶皱。
The results show that the internal friction Angle of rock has importance affect on the displacement of surrounding rock for deep roadway when in-situ stress and support resistance all are certain.
分析结果表明,在地应力和支护阻力一定时,岩石的内摩擦角对深埋巷道围岩位移的影响最为明显。
The group identification of elastic modulus, in-situ stress and damage parameters is processed respectively according to the different number of crack group contained in the rock mass.
讨论了含一组裂隙和两组裂隙情况下弹性模量与损伤参数共同辨识、地应力与损伤参数共同辨识以及三者同时辨识时的可靠性问题。
A core taken so as to preserve the in-situ water saturation of the rock. A native-state core is usually drilled with oil-base mud or crude oil from the same reservoir.
使用油基泥浆或原油钻取的岩心,以保证岩心的含水饱和度与岩石在储集层状态的含水饱和度相同。
In this paper, two new methods of determining in-situ stresses of rock masses in laboratory, acoustic emission method and analysis of typical points of stress-strain curves are investigated.
本文研究了实验室内测定岩体地应力的两种新方法——声发射法和应力应变曲线特征点分析法。
In this paper, two new methods of determining in-situ stresses of rock masses in laboratory, acoustic emission method and analysis of typical points of stress-strain curves are investigated.
本文研究了实验室内测定岩体地应力的两种新方法——声发射法和应力应变曲线特征点分析法。
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